diff --git a/SC2244.md b/SC2244.md
index adc589c..5c0d444 100644
--- a/SC2244.md
+++ b/SC2244.md
@@ -31,15 +31,20 @@ fi
 
 ### Rationale:
 
-`[ "$var" ]` is equivalent to `[ -n "$var" ]` and checks whether the string is non-empty.
+`[ "$var" ]` is equivalent to `[ -n "$var" ]` and checks that a string is non-empty.
 
-Users more familiar with other languages are therefore often surprised to learn that `[ "$var" ]` is true when `var=false` or `var=0`.
+Users more familiar with other languages are often surprised to learn that `[ "$var" ]` is true when:
 
-Adding the explicit `-n` helps clarify that this is a string comparison, and not related to any concept of boolean values or comparisons as it is in most languages.
+* `var=false`
+* `var=0`
+* `var=null`
+* `var=" "`
+
+Adding the explicit `-n` helps clarify that this is a string comparison, and not related to any concept of boolean values or "truthiness" as it is in most languages.
 
 ### Exceptions:
 
-If you are familiar with the semantics of `[`, you can [[ignore]] this suggestion with no ill effects.
+If you are familiar with the semantics of `[`, you can [[ignore]] this stylistic suggestion with no ill effects.
 
 ### Related resources: